/* ===== Topbar V3 ===== */
  .tb {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    height: 60px;
    background: rgba(15, 19, 34, 0.85);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid var(--ds-border);
    display: flex; align-items: center; gap: 8px;
    padding: 0 16px;
  }
  :root[data-theme="light"] .tb { background: rgba(255, 255, 255, 0.85); }

  /* Brand */
  .tb__brand {
    display: flex; align-items: center; gap: 12px;
    text-decoration: none; color: var(--ds-text);
    padding: 6px 10px 6px 6px;
    border-radius: 10px;
    transition: background var(--ds-dur-fast) var(--ds-ease);
    flex-shrink: 0;
  }
  .tb__brand:hover { background: var(--ds-bg-elev-3); }
  .tb__brand-logo {
    width: 34px; height: 34px;
    border-radius: 9px;
    box-shadow: 0 2px 8px rgba(79, 134, 255, 0.20);
    flex-shrink: 0;
  }
  .tb__brand-text { display: flex; flex-direction: column; line-height: 1.15; }
  .tb__brand-name { font-size: 0.92rem; font-weight: 600; letter-spacing: -0.01em; }
  .tb__brand-name strong { color: var(--ds-accent); font-weight: 700; }
  .tb__brand-sub { font-size: 0.7rem; color: var(--ds-text-muted); margin-top: 1px; letter-spacing: 0.005em; }

  /* Mobile toggle (hidden on desktop) */
  .tb__mobile {
    display: none;
    width: 40px; height: 40px;
    background: transparent; border: 1px solid var(--ds-border);
    border-radius: 10px;
    color: var(--ds-text-muted);
    cursor: pointer;
    align-items: center; justify-content: center;
    transition: all var(--ds-dur-fast) var(--ds-ease);
  }
  .tb__mobile:hover { background: var(--ds-bg-elev-3); color: var(--ds-text); }
  .tb__mobile svg { width: 20px; height: 20px; }

  /* Primary nav */
  .tb__nav {
    flex: 1;
    display: flex; align-items: center; gap: 2px;
    margin-left: 16px;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .tb__nav::-webkit-scrollbar { display: none; }
  .tb__nav-item {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 12px;
    border-radius: 9px;
    color: var(--ds-text-muted);
    text-decoration: none;
    font: 500 0.85rem var(--font, 'Inter');
    letter-spacing: -0.005em;
    white-space: nowrap;
    transition: all var(--ds-dur-fast) var(--ds-ease);
    position: relative;
  }
  .tb__nav-item svg { width: 17px; height: 17px; flex-shrink: 0; opacity: 0.75; }
  .tb__nav-item:hover {
    color: var(--ds-text);
    background: var(--ds-bg-elev-3);
  }
  .tb__nav-item:hover svg { opacity: 1; }
  .tb__nav-item--active {
    color: var(--ds-accent);
    background: var(--ds-accent-soft);
    font-weight: 600;
  }
  .tb__nav-item--active svg { opacity: 1; }
  .tb__nav-item--active::after {
    content: '';
    position: absolute;
    bottom: -8px; left: 50%; transform: translateX(-50%);
    width: 4px; height: 4px;
    border-radius: 50%;
    background: var(--ds-accent);
  }

  /* Right side */
  .tb__right {
    display: flex; align-items: center; gap: 6px;
    flex-shrink: 0;
  }
  .tb__btn {
    width: 38px; height: 38px;
    background: transparent; border: 1px solid transparent;
    border-radius: 10px;
    color: var(--ds-text-muted);
    cursor: pointer;
    display: grid; place-items: center;
    transition: all var(--ds-dur-fast) var(--ds-ease);
  }
  .tb__btn:hover { background: var(--ds-bg-elev-3); color: var(--ds-text); }
  .tb__btn svg { width: 18px; height: 18px; }

  /* User menu */
  .tb__usermenu { position: relative; }
  .tb__user {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 4px 12px 4px 4px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 100px;
    color: var(--ds-text);
    cursor: pointer;
    transition: all var(--ds-dur-fast) var(--ds-ease);
  }
  .tb__user:hover { background: var(--ds-bg-elev-3); border-color: var(--ds-border); }
  .tb__avatar {
    width: 30px; height: 30px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--ds-accent) 0%, #8b5cf6 100%);
    color: #fff;
    font: 700 0.74rem var(--font, 'Inter');
    display: grid; place-items: center;
    flex-shrink: 0;
    letter-spacing: 0.02em;
    box-shadow: 0 1px 0 rgba(255,255,255,0.15) inset;
  }
  .tb__user-name {
    font-size: 0.85rem; font-weight: 500;
    color: var(--ds-text);
    max-width: 140px;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  }
  .tb__user-caret {
    width: 12px; height: 12px;
    color: var(--ds-text-muted);
    flex-shrink: 0;
    transition: transform var(--ds-dur-fast) var(--ds-ease);
  }
  .tb__usermenu.open .tb__user-caret { transform: rotate(180deg); }

  /* Dropdown */
  .tb__dropdown {
    display: none;
    position: absolute; top: calc(100% + 8px); right: 0;
    width: 280px;
    background: var(--ds-bg-elev-2);
    border: 1px solid var(--ds-border);
    border-radius: 14px;
    box-shadow: var(--ds-shadow-3);
    padding: 8px;
    overflow: hidden;
    animation: tbDropIn 180ms var(--ds-ease);
  }
  .tb__usermenu.open .tb__dropdown { display: block; }
  @keyframes tbDropIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }

  .tb__dropdown-head {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 12px 14px;
    border-bottom: 1px solid var(--ds-border);
    margin: 0 -8px 8px;
    padding-left: 20px; padding-right: 20px;
  }
  .tb__dropdown-avatar {
    width: 42px; height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--ds-accent) 0%, #8b5cf6 100%);
    color: #fff;
    font: 700 0.95rem var(--font, 'Inter');
    display: grid; place-items: center;
    flex-shrink: 0;
    letter-spacing: 0.02em;
  }
  .tb__dropdown-name { font-size: 0.92rem; font-weight: 600; color: var(--ds-text); line-height: 1.25; }
  .tb__dropdown-email { font-size: 0.78rem; color: var(--ds-text-muted); margin-top: 1px; word-break: break-all; }
  .tb__dropdown-role {
    display: inline-block;
    margin-top: 6px;
    font-size: 0.66rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.06em;
    color: var(--ds-accent);
    background: var(--ds-accent-soft);
    padding: 2px 8px;
    border-radius: 100px;
  }
  .tb__dropdown-item {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 12px;
    border-radius: 8px;
    color: var(--ds-text);
    text-decoration: none;
    font: 500 0.85rem var(--font, 'Inter');
    cursor: pointer;
    background: transparent;
    border: none;
    width: 100%;
    text-align: left;
    transition: background var(--ds-dur-fast) var(--ds-ease);
  }
  .tb__dropdown-item:hover { background: var(--ds-bg-elev-3); }
  .tb__dropdown-item svg { width: 16px; height: 16px; color: var(--ds-text-muted); flex-shrink: 0; }
  .tb__dropdown-item--danger { color: var(--ds-danger); }
  .tb__dropdown-item--danger svg { color: var(--ds-danger); }
  .tb__dropdown-item--danger:hover { background: var(--ds-danger-soft); }
  .tb__dropdown-sep { height: 1px; background: var(--ds-border); margin: 6px 4px; }

  /* Mobile breakpoints */
  @media (max-width: 1100px) {
    .tb__brand-text { display: none; }
  }
  @media (max-width: 880px) {
    .tb { height: 56px; padding: 0 12px; gap: 6px; }
    .tb__mobile { display: inline-flex; }
    .tb__nav { display: none; }
    .tb__user-name { display: none; }
    .tb__brand-text { display: flex; }
  }
  @media (max-width: 480px) {
    .tb__brand-text { display: none; }
    .tb__btn { width: 36px; height: 36px; }
  }

  /* Make sure body content is offset by topbar */
  body.has-topbar { padding-top: 60px; }
  @media (max-width: 880px) { body.has-topbar { padding-top: 56px; } }

  /* Override the older admin layout's manual padding */
  .admin__main { padding-top: 24px !important; }
  .admin { padding-top: 0; }

  /* Sidebar (existing component) – align below new topbar */
  .admin__sidebar { top: 60px !important; }
  @media (max-width: 880px) { .admin__sidebar { top: 56px !important; } }